* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    font-family: "Open Sans", sans-serif;
    font-size: 16px;
}

::-webkit-scrollbar {
    width: 0.5rem;
}

::-webkit-scrollbar-track {
    background-color: transparent;
}

::-webkit-scrollbar-thumb {
    background: #2979FF;
}

body {
    width: 100%;
    height: 100vh;

    background-color: #4A86C7;

    display: flex;
    flex-direction: column;
    align-items: center;

    color: #1f2423;
}

.logo {
    margin: 3rem 0 2rem;
}

main section {
    display: flex;
    flex: 1;
    gap: 1.25rem;
    padding-bottom: 2rem;
}

form {
    background-color: #f9fbfa;
    border-radius: 1rem;
    padding: 2.5rem;
    max-width: 462px;

    display: flex;
    flex-direction: column;
}

form h1 {
    font-size: 1.25rem;
}

form p {
    font-size: 0.87rem;
    color: #4d5c57;
    margin: 0.75rem 0 2.5rem;
}

fieldset {
    border: none;
    display: flex;
}

fieldset legend {
    text-transform: uppercase;
    font-size: 0.62rem;
    color: #4d5c57;
    margin-bottom: 0.5rem;
}

fieldset:focus-within legend {
    color: #2979FF;
    font-weight: 700;
}

input,
select {
    flex: 1;
    height: 3rem;
    border-radius: 0.5rem;
    border: 1px solid #cdd5d2;
    padding: 0 1rem;
    font-size: 0.87rem;
    color: #1f2423;
    background-color: transparent;
    outline: none;
}

select {
    appearance: none;
    background-image: url(./img/chevron-down.svg);
    background-repeat: no-repeat;
    background-position: right 0.7rem top 50%;
    background-size: 1.25rem auto;
}

input::placeholder,
select:invalid {
    color: #4d5c57;
}

input:focus,
select:focus {
    border: 1.5px solid #2979FF;
}

.inputs-row {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
}

.inputs-row fieldset:first-child {
    flex: 1;
}

.inputs-row fieldset:last-child input {
    max-width: 154px;
}

form button {
    height: 3rem;
    border-radius: 0.5rem;
    border: none;
    font-size: 0.87rem;
    color: #ffffff;
    background-color: #2979FF;
    font-weight: 700;
    padding: 1rem 1.25rem;
    cursor: pointer;

    transition: background-color 0.2s;
}

button:hover {
    background-color: #82B1FF;
}

form button:last-child {
    margin-top: 2rem;
}

aside {
    background-color: #f9fbfa;
    border-radius: 1rem;
    padding: 2.5rem;
    max-width: 462px;

    min-width: 600px;
}

aside header {
    display: flex;
    justify-content: space-between;

    border-bottom-width: 1px;
    border-bottom-style: solid;
    border-bottom-color: #e4ece9;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

aside header p {
    color: #4d4c57;
    font-weight: 400;
    font-size: 1rem;
}

aside header p span {
    color: #4d4c57;
    font-weight: 400;
    font-size: 0.87rem;
}

aside header p i {
    color: #cdd5d2;
    margin: 0 0.5rem;
    font-style: normal;
}

aside header h2 {
    font-size: 1rem;
    color: #1f2523;
}

aside header small {
    color: #4d5c57;
    font-weight: 400;
    font-size: 0.75rem;
    margin-right: 0.25rem;
}

aside ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;

    max-height: 310px;
    min-height: 310px;

    overflow-y: scroll;
}

.expense {
    display: flex;
    align-items: center;
    height: 38px;
}

.expense img:first-child {
    width: 2rem;
    height: 2rem;

    margin-right: 0.75rem;
}

.expense > div {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.expense-info strong {
    font-size: 0.87rem;
    color: #1f2523;
}

.expense-info span {
    font-size: 0.75rem;
    color: #4d5c57;
}

.expense-amount {
    font-size: 0.87rem;
    color: #1f2523;
    font-weight: 600;
}

.expense-amount small {
    font-size: 0.75rem;
    color: #4d5c57;
    font-weight: 400;
    margin-right: 0.25rem;
}

.remove-icon {
    height: 1rem;
    margin-left: 0.5rem;

    cursor: pointer;
    transition: opacity 0.2s;
}

.remove-icon:hover {
    opacity: 0.7;
}

@media (min-width: 1100px) {
    form {
        max-width: 428px;
    }
}

@media (max-width: 1100px) {
    :root {
        font-size: 14px;
    }

    main,
    aside {
        min-width: 100%;
    }

    main section {
        flex-direction: column;
        width: 100%;

        padding: 1.5rem;
    }

    main section form {
        min-width: 100%;
    }

    main section aside ul {
        width: 100%;
        height: auto;
        overflow: auto;
    }
}

@media (max-width: 620px) {
    .inputs-row {
        flex-direction: column;
    }

    .inputs-row fieldset:last-child input {
        max-width: auto;
        min-width: 100%;
    }

    aside header {
        flex-direction: column;
        align-items: center;
    }
}